Table 3 Factors associated with HIV research productivity in sub-Saharan Africa, identified by negative binomial regressions

HIV patients

0.59(0.06)***

80.2

0.51(0.10)***

66.1

Gross domestic product

ns

ns

ns

ns

Education

   Adult literacy rate

1.33(0.50)**

279.8

ns

ns

   Public expenditure on education

ns

ns

ns

ns

   Research and development researchers

0.54(0.22)*

71.7

ns

ns

   Number of high institutions

0.70(0.14)***

101.7

ns

ns

   Number of indexed journals

0.88(0.11)***

141.2

0.59(0.16)***

117.2

Health

   Physicians per 100,000 population

0.73(0.11)***

108.2

ns

ns

   Total expenditure on health

1.55(0.41)***

373.2

1.01(0.29)*

173.9

   Private expenditure on health

1.70(0.47)***

445.0

0.60(0.29)*

81.4